Selling:

http://www.tf2outpost.com/trade/28610273 - b/o: 120 keys (young)

http://www.tf2outpost.com/trade/28611211 - b/o: 100 keys (young)

http://www.tf2outpost.com/trade/28598086 - b/o: 160 keys (6 days)

http://www.tf2outpost.com/trade/28608371 - b/o: 100 keys (1 day)

http://www.tf2outpost.com/trade/28626128 - b/o: 85 keys (1 week)

Sold:

http://www.tf2outpost.com/trade/28578356

http://backpack.tf/profiles/76561198062008606#!/compare/1478044800/1478217600 - sold for Disco Beat Down Cotton Head = 100 keys

http://www.tf2outpost.com/trade/28577232

http://backpack.tf/profiles/76561198061464918#!/compare/1477872000/1477958400

http://backpack.tf/profiles/76561198062008606#!/compare/1477699200/1477958400 - sold for Burning Flames Noble Amassment of Hats = 120 keys

http://backpack.tf/profiles/76561198144819017#!/compare/1478995200/1479254400 - sold for Sunbeams Nanobalaclava = 39 keys (outlier)

Mini's:

Disco Beat Down Cotton Head:

http://backpack.tf/profiles/76561198057452720#!/compare/1478822400/1478908800 - sold for Electrostatic Bonk Helm + Searing Plasma Vive La France = 137 keys

http://www.tf2outpost.com/trade/28590304 - b/o: 100 keys

Sunbeams Nanobalaclava:

http://www.tf2outpost.com/trade/28485627

http://backpack.tf/profiles/76561198013932271#!/compare/1473811200/1473897600 - sold with Strange Killstreak Australium Ambassador for Stormy Storm Surgeon's Stahlhelm + Stormy Storm Sergeant's Drill Hat + 7 keys = 39 keys